USB device stack; Added getter method for terminal_connected;

Fork of USBDevice by mbed official

Example of use:

#include "mbed.h"
#include "USBSerial.h"

USBSerial  pc;
DigitalOut blue_led(P0_20);

int main() {
    blue_led = 1;
    while(!pc.getTerminal_connected()); //Wait for serial terminal to connect...
    while(1) {
        blue_led = 0;
        wait(0.2);
        blue_led = 1;
        wait(0.2);
    }
}
Revision:
8:335f2506f422
Parent:
1:80ab0d068708
Child:
11:eeb3cbbaa996
--- a/USBDevice/USBDevice.cpp	Mon Jan 21 10:41:28 2013 +0000
+++ b/USBDevice/USBDevice.cpp	Fri Mar 01 13:10:29 2013 +0000
@@ -250,6 +250,7 @@
         }
 
         EP0read();
+        EP0readStage();
 
         /* Completed */
         return true;